CA1216111A - Dispositif optique au polymere birefringent - Google Patents

Dispositif optique au polymere birefringent

Info

Publication number
CA1216111A
CA1216111A CA000397302A CA397302A CA1216111A CA 1216111 A CA1216111 A CA 1216111A CA 000397302 A CA000397302 A CA 000397302A CA 397302 A CA397302 A CA 397302A CA 1216111 A CA1216111 A CA 1216111A
Authority
CA
Canada
Prior art keywords
hydrogen
radical
substituent
integer
formula
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000397302A
Other languages
English (en)
Inventor
Howard G. Rogers
Russell A. Gaudiana
Ruth C. Bilofsky
Palaiyur S. Kalyanaraman
Ronald A. Sahatjian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polaroid Corp
Original Assignee
Polaroid Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/238,054 external-priority patent/US4446305A/en
Priority claimed from US06/239,180 external-priority patent/US4393194A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of CA1216111A publication Critical patent/CA1216111A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA000397302A 1981-03-02 1982-03-01 Dispositif optique au polymere birefringent Expired CA1216111A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/238,054 US4446305A (en) 1981-03-02 1981-03-02 Optical device including birefringent polymer
US239,180 1981-03-02
US238,054 1981-03-02
US06/239,180 US4393194A (en) 1981-03-02 1981-03-02 Substituted-quaterphenylene polyamide

Publications (1)

Publication Number Publication Date
CA1216111A true CA1216111A (fr) 1987-01-06

Family

ID=26931303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000397302A Expired CA1216111A (fr) 1981-03-02 1982-03-01 Dispositif optique au polymere birefringent

Country Status (1)

Country Link
CA (1) CA1216111A (fr)

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Legal Events

Date Code Title Description
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